PPC/s390: Make FastNewFunctionContextStub take slots parameter

src/crankshaft/s390/lithium-codegen-s390.cc

Index: src/crankshaft/s390/lithium-codegen-s390.cc
diff --git a/src/crankshaft/s390/lithium-codegen-s390.cc b/src/crankshaft/s390/lithium-codegen-s390.cc
index 82d174dee76665e0ccc0cf768229dc58d17fc991..86b4825b4bae9c121aa899096855b004c10e99b1 100644
--- a/src/crankshaft/s390/lithium-codegen-s390.cc
+++ b/src/crankshaft/s390/lithium-codegen-s390.cc
@@ -162,14 +162,12 @@ void LCodeGen::DoPrologue(LPrologue* instr) {
       __ Push(info()->scope()->GetScopeInfo(info()->isolate()));
       __ CallRuntime(Runtime::kNewScriptContext);
       deopt_mode = Safepoint::kLazyDeopt;
-    } else if (slots <= FastNewFunctionContextStub::kMaximumSlots) {
-      FastNewFunctionContextStub stub(isolate(), slots);
+    } else {
+      FastNewFunctionContextStub stub(isolate());
+      __ mov(FastNewFunctionContextDescriptor::SlotsRegister(), Operand(slots));
       __ CallStub(&stub);
       // Result of FastNewFunctionContextStub is always in new space.
       need_write_barrier = false;
-    } else {
-      __ push(r3);
-      __ CallRuntime(Runtime::kNewFunctionContext);
     }
     RecordSafepoint(deopt_mode);
 
@@ -5353,8 +5351,8 @@ void LCodeGen::DoTypeof(LTypeof* instr) {
   __ mov(r2, Operand(isolate()->factory()->number_string()));
   __ b(&end);
   __ bind(&do_call);
-  Callable callable = CodeFactory::Typeof(isolate());
-  CallCode(callable.code(), RelocInfo::CODE_TARGET, instr);
+  TypeofStub stub(isolate());
+  CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
   __ bind(&end);
 }